Here it is the situation: SITE A: two hosts with 192.168.1.0/24 with IP addresses: A1: 192.168.1.2 A2: 192.168.1.3 JuniperA  (SSG5) has interface e0 on Untrust with public IPxxx.xxx.xxx.xxx, and interface e1 in the internal netwok with ip 192.168.1.1 SITE B: one host in 10.1.1.0/24 with IP address: B1: 10.1.1.2 DeviceB has e0 interface in Untrust with public IP yyy.yyy.yyy.yyy, and interface e1 in Trust netwkork with IP 10.1.1.1 The question is that the hosts in SITE A must appear as host in SITE B: to be more clear, host A1 and A2 are pinged by host B1 with these addresses: A1: 10.1.1.10 A2:10.1.1.11 like if they were in SITE B. SITEA and SITEB are connected using a route based VPN. I can only operate on SITE A Device how to do the hosts comunication as described!? Thanks!!! ... View more